US7970095B2 - Radioisotope production structures, fuel assemblies having the same, and methods of using the same - Google Patents

Radioisotope production structures, fuel assemblies having the same, and methods of using the same Download PDF

Info

Publication number
US7970095B2
US7970095B2 US12/078,705 US7870508A US7970095B2 US 7970095 B2 US7970095 B2 US 7970095B2 US 7870508 A US7870508 A US 7870508A US 7970095 B2 US7970095 B2 US 7970095B2
Authority
US
United States
Prior art keywords
tie plate
plate attachment
irradiation target
example embodiment
fuel assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related, expires
Application number
US12/078,705
Other languages
English (en)
Other versions
US20100284503A1 (en
Inventor
David Grey Smith
II William Earl Russell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GE Hitachi Nuclear Energy Americas LLC
Original Assignee
GE Hitachi Nuclear Energy Americas LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GE Hitachi Nuclear Energy Americas LLC filed Critical GE Hitachi Nuclear Energy Americas LLC
Assigned to GE-HITACHI NUCLEAR ENERGY AMERICAS LLC reassignment GE-HITACHI NUCLEAR ENERGY AMERICAS LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SMITH, DAVID GREY, RUSSELL, WILLIAM EARL, II
Priority to US12/078,705 priority Critical patent/US7970095B2/en
Priority to TW098109385A priority patent/TW200945368A/zh
Priority to CA002661939A priority patent/CA2661939A1/en
Priority to JP2009088588A priority patent/JP5421638B2/ja
Priority to RU2009112217/07A priority patent/RU2481655C2/ru
Priority to EP09157186.9A priority patent/EP2107573B1/en
Priority to ES09157186.9T priority patent/ES2451504T3/es
Priority to CN200910130402.2A priority patent/CN101552045B/zh
Publication of US20100284503A1 publication Critical patent/US20100284503A1/en
Priority to US13/095,367 priority patent/US8576972B2/en
Publication of US7970095B2 publication Critical patent/US7970095B2/en
Application granted granted Critical
Expired - Fee Related legal-status Critical Current
Adjusted expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21G—CONVERSION OF CHEMICAL ELEMENTS; RADIOACTIVE SOURCES
    • G21G1/00—Arrangements for converting chemical elements by electromagnetic radiation, corpuscular radiation or particle bombardment, e.g. producing radioactive isotopes
    • G21G1/02—Arrangements for converting chemical elements by electromagnetic radiation, corpuscular radiation or particle bombardment, e.g. producing radioactive isotopes in nuclear reactors
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
    • G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Definitions

  • Example embodiments generally relate to fuel structures and radioisotopes produced therein in nuclear power plants.
  • nuclear power plants include a reactor core having fuel arranged therein to produce power by nuclear fission.
  • a common design in U.S. nuclear power plants is to arrange fuel in a plurality of fuel rods bound together as a fuel assembly, or fuel assembly, placed within the reactor core. These fuel rods typically include several elements joining the fuel rods to assembly components at various axial locations throughout the assembly.
  • a conventional fuel assembly 10 of a nuclear reactor may include an outer channel 12 surrounding an upper tie plate 14 and a lower tie plate 16 .
  • a plurality of full-length fuel rods 18 and/or part length fuel rods 19 may be arranged in a matrix within the fuel assembly 10 and pass through a plurality of spacers 20 .
  • Fuel rods 18 and 19 generally originate and terminate at upper and lower tie plates 14 and 16 , continuously running the length of the fuel assembly 10 , with the exception of part length rods 19 , which all terminate at a lower vertical position from the full length rods 18 .
  • An upper end plug 15 and/or lower end plug 17 may join the fuel rods 18 and 19 to the upper and lower tie plates 14 and 16 , with only the lower end plug 17 being used in the case of part length rods 19 .
  • Tie rods 28 may be full length rods placed at corner positions in fuel assembly 10 that securely join to upper and lower tie plates 14 and 16 and provide handling points for fuel assembly 10 .
  • the end plugs 15 and 17 may mate with, and in the case of tie rods 28 , pass through, the upper and lower tie plates 14 and 16 , respectively, and may secure fuel rods 18 or 19 axially in the fuel assembly 10 .
  • Example embodiments are directed to tie plate attachments having irradiation targets and fuel assemblies that use example embodiment tie plate attachments and methods of using the same to generate radioisotopes.
  • Example embodiment tie plate attachments may include a plurality of retention bores that permit irradiation targets to be inserted and contained in the retention bores. The irradiation targets may be irradiated in an operating nuclear core including the fuel assemblies, generating useful radioisotopes that may be harvested from the spent nuclear fuel assembly by removing example embodiment tie plate attachments.
  • Example embodiment tie plate attachments may be connected to fuel assemblies via the upper tie plate, fuel rods, and/or channel surrounding the fuel assembly.
  • Example embodiment tie plates may be held at a fixed axial position within fuel assemblies so as to expose irradiation targets therein to constant, lower-level neutron flux, thereby converting a substantial amount of the irradiation targets into useable radioisotopes.
  • FIG. 1 is an illustration of a related art fuel assembly having no tie plate attachment.
  • FIG. 2 is an illustration of an example embodiment fuel assembly having an example embodiment tie plate attachment.
  • FIG. 3 is a detailed illustration of an example embodiment tie plate attachment.
  • FIG. 4 is a detailed illustration of an example embodiment tie plate showing irradiation targets therein.
  • FIG. 2 illustrates an example embodiment fuel assembly 100 including upper tie plate 114 and an example embodiment tie plate attachment 150 that individually or together may function as a radioisotope production structure.
  • Example embodiment fuel assembly 100 may be similar to conventional fuel assemblies with the exception of including example embodiment tie plate attachment 150 .
  • example embodiment fuel assembly 100 is shown as similar to a conventional BWR type fuel assembly, other example embodiments, including PWR type fuel assemblies and unfinished fuel bundles, may be useable with tie plate attachments according to the present invention.
  • Example embodiment tie plate attachment 150 may be generally rectangular and frame full-length fuel rods 118 in fuel assembly 100 .
  • An outer perimeter of example embodiment tie plate attachment 150 may extend to about an outer perimeter of fuel assembly 100 formed by fuel rods 118 so as to form a substantially uniform axial profile within example embodiment fuel assembly 100 .
  • example embodiment tie plate attachment 150 is shown as generally rectangular with a hollow center, other shapes are possible.
  • example embodiment tie plate attachments may extend along only one or two sides of example embodiment fuel assemblies instead of all four sides.
  • example embodiment tie plate attachments may have varied thicknesses or even extend through the entire cross-sectional profile of example embodiment fuel assemblies and have channels permitting coolant flow therethrough instead of having a hollow center.
  • Example embodiment tie plate attachments may also have other shapes to match example embodiment fuel assemblies and tie plates therein, including hexagonal, triangular, etc. shapes.
  • attachment 150 may have a cross-sectional edge thickness equal to a single row of fuel rods 118 along a transverse cross section of example embodiment fuel assembly 100 . That is, example embodiment tie plate attachment 150 may surround, or be co-located with, the outer fuel rods 118 in example embodiment assembly 100 . In this way, example embodiment tie plate attachment 150 may not significantly reduce or interfere with coolant flow through interior rods in assembly 100 and may be placed at a position with typically lower neutron flux within the assembly 100 .
  • example embodiment tie plate attachment 150 may be positioned under upper tie plate 114 in an axial direction.
  • Example embodiment tie plate attachment 150 may be held under upper tie plate 114 in a variety of ways.
  • example embodiment attachment 150 may be directly welded to upper tie plate 114 , forged into or be otherwise structurally continuous with upper tie plate 114 , may fit into upper tie plate 114 frictionally and/or in a lock-and-key fashion, or may be joined to upper tie plate 114 via fasteners such as bolts or screws.
  • example embodiment tie plate attachment 150 may permit one or more fuel rods 118 and/or upper end and tie plugs 120 to pass axially through attachment 150 via holes 155 and into upper tie plate 114 . Fuel rods 118 may thus fix example embodiment tie plate attachment 150 in a transverse position under upper tie plate 114 .
  • Example embodiment tie plate attachment 150 may be held in a constant axial position under tie plate 114 by fuel rods 118 seating into holes 155 or by flow of coolant through assembly 100 in an axial direction, and/or fixing example embodiment tie plate attachment 150 against upper tie plate 114 .
  • fuel rods 118 and/or upper end plugs 120 may be screwed into, locked into, welded onto, etc., example embodiment tie plate attachment 150 so as to hold attachment 150 in a constant axial position under upper tie plate 114 .
  • example embodiment tie plate attachment 150 may attach to outer channel 112 by being welded and/or removably fitted into outer channel 112 surrounding example embodiment fuel assembly 100 . Lateral extensions (discussed below) may facilitate such contact between outer channel 112 and example embodiment tie plate attachment 150 .
  • example embodiment tie plate attachments may thus be held near or attached under an upper tie plate in the axial direction. This position affords easy access to example embodiment tie plate attachments during assembly disassembly, as the example embodiment tie plate attachment may be accessed with removal of the upper tie plate alone.
  • FIG. 3 is a detailed illustration of an example embodiment tie plate attachment 150 .
  • example embodiment tie plate attachment 150 is shown as a hollow rectangle that matches the shape of the outer channel 112 , other shapes and orientations are possible as discussed above.
  • Example embodiment tie plate attachment 150 is fabricated of a material that substantially maintains its physical and neutronic properties when exposed to conditions in an operating nuclear core, such that example embodiment tie plate attachment 150 does not interfere with or affect the neutron flux present in the operating reactor.
  • Example embodiment tie plate attachments may be fabricated of, for example, stainless steel, Inconel, a nickel alloy, a zirconium alloy, aluminum, etc.
  • holes 155 may penetrate entirely through example embodiment tie plate attachment 150 and permit fuel rods 118 (shown in shadow) and/or upper end plugs 120 to pass through and/or connect to example embodiment tie plate attachment 150 .
  • holes 155 may be sized with an inner diameter sufficiently greater than a fuel rod 118 and/or upper end plug 120 outer diameter.
  • the example joining method of FIG. 3 shows example embodiment tie plate attachment 150 “sitting” on the shoulder 117 of the fuel rod 118 and upper end plug 120 joint. It is understood and several other joining methods discussed above and below may be used, including frictional contact between rods or end plugs and example embodiment tie plate attachments, lock-and-key, slot-type, or dovetail-type joints, welding, and/or continuous connection between the parts.
  • Example embodiment tie plate attachment 150 may include one or more lateral extensions 165 that facilitate positioning relative to and/or connection with channel 112 .
  • lateral extensions 165 may connect or abut channel 112 on each side of example embodiment tie plate attachment 150 in order to center and/or secure example embodiment tie plate attachment 150 within example embodiment fuel assembly 100 .
  • Lateral extensions 165 may further match extensions and/or shape of the upper tie plate 114 in order to provide a consistent axial profile among upper tie plate 114 and example embodiment tie plate attachment 150 .
  • Example embodiment tie plate attachment 150 includes a plurality of retaining bores 160 in its top face into which one or more irradiation targets 170 are placed and contained, as shown in FIG. 4 , which is a blown up portion of area A in FIG. 3 .
  • Bores 160 do not pass through example embodiment tie plate attachment 150 but instead have a depth sufficient to allow irradiation targets 170 to fit within bores 160 .
  • Bores 160 may be geometrically placed around or between holes 155 .
  • bores 160 may be scattered in no particular pattern throughout example embodiment tie plate attachment 150 , so long as the structural integrity of attachment 150 is not compromised by the position and/or number of bores 160 .
  • Irradiation targets 170 may be in the shape of small “seeds” or small rod shapes for insertion into retaining bores 160 . Based on the size of bores 160 , irradiation targets 170 may have a width and length to fit within bores 160 and may be, for example, on the scale of millimeters. Several irradiation targets 170 containing potentially different types of parent materials, including solids, liquids, and/or gasses, may be placed into a single retaining bore 160 . Alternatively, each bore 160 may contain homogenous irradiation targets 170 .
  • Irradiation targets 170 may be made of a variety of materials that substantially convert into radioisotopes when exposed to a neutron flux encountered under tie plates 114 in an operating nuclear reactor. Because neutron flux may be lower at axial ends of example embodiment fuel assembly 100 ( FIG. 2 ), example embodiment tie plate attachments and irradiation targets 170 therein may be exposed to a lower flux as well. Hence, materials having high neutron cross sections and shorter half-lives may be preferable for use as irradiation targets 170 , including, for example, Iridium-191, which may convert to Iridium-192 when exposed to neutron flux encountered in an operating nuclear reactor. Similarly, other isotopes, including Cobalt-59, Selenium-74, Strontium-88, and/or Iridium-191 for example, may be used as irradiation targets 170 .
  • Retention bores 160 may be sealed or closed by a cap 161 , shown in FIG. 4 , that covers bores 160 and joins to example embodiment tie plate attachment 150 .
  • caps 161 may be welded onto attachment 150 or screwed into bores 160 , if the bores 160 are threaded.
  • Other methods of securely attaching caps 161 over bores 160 in order to provide containment of irradiation targets 170 may be known and useable with example embodiments.
  • irradiation targets 170 may contain or produce useful gaseous, liquid, and/or solid radioisotopes when exposed to a neutron flux, and these radioisotopes may be contained in irradiation bores 160 by cap 161 even though they may be liquid, gaseous, or solid.
  • example embodiment tie plate attachments Because of the higher axial position of example embodiment tie plate attachments, irradiation targets contained therein may be irradiated by lower amounts of neutron flux over a longer period of time, resulting in more predictable and effective generation of radioisotopes with shorter half-lives from irradiation targets having higher cross sections. Further, because upper tie plate areas, where example embodiment tie plate attachments may be placed, are associated with low fretting, example embodiment tie plate attachments may provide robust containment for irradiation targets. Lastly, upper tie plates may be easily removed from irradiated example embodiment fuel assemblies without disturbing fuel rods or irradiated fuel, permitting easier harvesting of example embodiment tie plate attachments and useful radioisotopes therein. Example embodiment tie plate attachments may further provide robust containment for retaining and containing solid, liquid, or gas radioisotopes produced from irradiation targets in example embodiment tie plate attachments.
  • example embodiments may be varied through routine experimentation and without further inventive activity.
  • other fuel types, shapes, and configurations may be used in conjunction with example embodiment fuel assemblies and tie plate attachments.
  • Variations are not to be regarded as departure from the spirit and scope of the exemplary embodiments, and all such modifications as would be obvious to one skilled in the art are intended to be included within the scope of the following claims.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Particle Accelerators (AREA)
  • Radiation-Therapy Devices (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
US12/078,705 2008-04-03 2008-04-03 Radioisotope production structures, fuel assemblies having the same, and methods of using the same Expired - Fee Related US7970095B2 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
US12/078,705 US7970095B2 (en) 2008-04-03 2008-04-03 Radioisotope production structures, fuel assemblies having the same, and methods of using the same
TW098109385A TW200945368A (en) 2008-04-03 2009-03-23 Radioisotope production structures, fuel assemblies having the same, and methods of using the same
CA002661939A CA2661939A1 (en) 2008-04-03 2009-03-26 Radioisotope production structures, fuel assemblies having the same, and methods of using the same
JP2009088588A JP5421638B2 (ja) 2008-04-03 2009-04-01 放射性同位元素製造構造体
ES09157186.9T ES2451504T3 (es) 2008-04-03 2009-04-02 Estructuras de producción de radioisótopos, conjuntos de combustible que tienen las mismas y procedimientos de uso de los mismos
EP09157186.9A EP2107573B1 (en) 2008-04-03 2009-04-02 Radioisotope production structures, fuel assemblies having the same and methods of using the same
RU2009112217/07A RU2481655C2 (ru) 2008-04-03 2009-04-02 Конструкция получения радиоизотопов, тепловыделяющая сборка ядерного реактора, содержащая такую конструкцию, и способ создания радиоизотопов в тепловыделяющей сборке ядерного реактора
CN200910130402.2A CN101552045B (zh) 2008-04-03 2009-04-03 放射性同位素生产结构
US13/095,367 US8576972B2 (en) 2008-04-03 2011-04-27 Radioisotope production structures, fuel assemblies having the same, and methods of using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/078,705 US7970095B2 (en) 2008-04-03 2008-04-03 Radioisotope production structures, fuel assemblies having the same, and methods of using the same

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/095,367 Continuation US8576972B2 (en) 2008-04-03 2011-04-27 Radioisotope production structures, fuel assemblies having the same, and methods of using the same

Publications (2)

Publication Number Publication Date
US20100284503A1 US20100284503A1 (en) 2010-11-11
US7970095B2 true US7970095B2 (en) 2011-06-28

Family

ID=40823202

Family Applications (2)

Application Number Title Priority Date Filing Date
US12/078,705 Expired - Fee Related US7970095B2 (en) 2008-04-03 2008-04-03 Radioisotope production structures, fuel assemblies having the same, and methods of using the same
US13/095,367 Expired - Fee Related US8576972B2 (en) 2008-04-03 2011-04-27 Radioisotope production structures, fuel assemblies having the same, and methods of using the same

Family Applications After (1)

Application Number Title Priority Date Filing Date
US13/095,367 Expired - Fee Related US8576972B2 (en) 2008-04-03 2011-04-27 Radioisotope production structures, fuel assemblies having the same, and methods of using the same

Country Status (8)

Country Link
US (2) US7970095B2 (es)
EP (1) EP2107573B1 (es)
JP (1) JP5421638B2 (es)
CN (1) CN101552045B (es)
CA (1) CA2661939A1 (es)
ES (1) ES2451504T3 (es)
RU (1) RU2481655C2 (es)
TW (1) TW200945368A (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102137539A (zh) * 2010-11-19 2011-07-27 成都中核高通同位素股份有限公司 用于反应堆辐照生产碘-125的氙气靶件及其制备方法
US9196390B2 (en) * 2011-09-23 2015-11-24 Ge-Hitachi Nuclear Energy Americas Llc Irradiation target encapsulation assembly and method of assembly
US10026515B2 (en) 2015-05-06 2018-07-17 Ge-Hitachi Nuclear Energy Americas Llc Generating isotopes in an irradiation target holder installed in a nuclear reactor startup source holder position
CN105244069A (zh) * 2015-08-31 2016-01-13 中科华核电技术研究院有限公司 高比活度放射源芯靶、放射性棒及新型阻流塞组件
US10755829B2 (en) * 2016-07-14 2020-08-25 Westinghouse Electric Company Llc Irradiation target handling device for moving a target into a nuclear reactor
CN111066095A (zh) 2017-08-02 2020-04-24 Bwxt同位素技术集团有限公司 全操作功率时的燃料通道同位素辐照
CN111400869B (zh) * 2020-02-25 2022-07-26 华南理工大学 一种堆芯中子通量时空演变预测方法、装置、介质及设备
US20220406484A1 (en) * 2021-06-18 2022-12-22 BWXT Isotope Technology Group, Inc. Irradiation targets for the production of radioisotopes and debundling tool for disassembly thereof

Citations (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3594275A (en) * 1968-05-14 1971-07-20 Neutron Products Inc Method for the production of cobalt-60 sources and elongated hollow coiled wire target therefor
US3940318A (en) 1970-12-23 1976-02-24 Union Carbide Corporation Preparation of a primary target for the production of fission products in a nuclear reactor
US3998691A (en) 1971-09-29 1976-12-21 Japan Atomic Energy Research Institute Novel method of producing radioactive iodine
US4038137A (en) * 1973-09-26 1977-07-26 Exxon Nuclear Company, Inc. Locking means for fuel bundles
US4196047A (en) 1978-02-17 1980-04-01 The Babcock & Wilcox Company Irradiation surveillance specimen assembly
US4284472A (en) 1978-10-16 1981-08-18 General Electric Company Method for enhanced control of radioiodine in the production of fission product molybdenum 99
US4462956A (en) 1980-04-25 1984-07-31 Framatome Apparatus for partitioning off the core of a nuclear reactor with removable elements
US4475948A (en) 1983-04-26 1984-10-09 The United States Of America As Represented By The Department Of Energy Lithium aluminate/zirconium material useful in the production of tritium
US4493813A (en) 1981-09-30 1985-01-15 Commissariat A L'energie Atomique Neutron protection device
US4532102A (en) 1983-06-01 1985-07-30 The United States Of America As Represented By The United States Department Of Energy Producing tritium in a homogenous reactor
US4597936A (en) 1983-10-12 1986-07-01 Ga Technologies Inc. Lithium-containing neutron target particle
US4617985A (en) 1984-09-11 1986-10-21 United Kingdom Atomic Energy Authority Heat pipe stabilized specimen container
US4663111A (en) 1982-11-24 1987-05-05 Electric Power Research Institute, Inc. System for and method of producing and retaining tritium
US4729903A (en) 1986-06-10 1988-03-08 Midi-Physics, Inc. Process for depositing I-125 onto a substrate used to manufacture I-125 sources
US4782231A (en) 1984-05-18 1988-11-01 Ustav Jaderneho Vyzkumu Standard component 99m Tc elution generator and method
US4859431A (en) 1986-11-10 1989-08-22 The Curators Of The University Of Missouri Rhenium generator system and its preparation and use
US5053186A (en) 1989-10-02 1991-10-01 Neorx Corporation Soluble irradiation targets and methods for the production of radiorhenium
US5145636A (en) 1989-10-02 1992-09-08 Neorx Corporation Soluble irradiation targets and methods for the production of radiorhenium
US5355394A (en) 1990-02-23 1994-10-11 European Atomic Energy Community (Euratom) Method for producing actinium-225 and bismuth-213
US5400375A (en) 1990-08-03 1995-03-21 Kabushiki Kaisha Toshiba Transuranium elements transmuting fuel assembly
US5513226A (en) 1994-05-23 1996-04-30 General Atomics Destruction of plutonium
US5596611A (en) 1992-12-08 1997-01-21 The Babcock & Wilcox Company Medical isotope production reactor
US5615238A (en) 1993-10-01 1997-03-25 The United States Of America As Represented By The United States Department Of Energy Method for fabricating 99 Mo production targets using low enriched uranium, 99 Mo production targets comprising low enriched uranium
US5633900A (en) 1993-10-04 1997-05-27 Hassal; Scott B. Method and apparatus for production of radioactive iodine
US5682409A (en) 1996-08-16 1997-10-28 General Electric Company Neutron fluence surveillance capsule holder modification for boiling water reactor
US5758254A (en) 1996-03-05 1998-05-26 Japan Atomic Energy Research Institute Method of recovering radioactive beryllium
US5871708A (en) 1995-03-07 1999-02-16 Korea Atomic Energy Research Institute Radioactive patch/film and process for preparation thereof
US5910971A (en) 1998-02-23 1999-06-08 Tci Incorporated Method and apparatus for the production and extraction of molybdenum-99
US6192095B1 (en) 1998-06-05 2001-02-20 Japan Atomic Energy Research Institute Xenon-133 radioactive stent for preventing restenosis of blood vessels and a process for producing the same
US6233299B1 (en) 1998-10-02 2001-05-15 Japan Nuclear Cycle Development Institute Assembly for transmutation of a long-lived radioactive material
US20020034275A1 (en) 2000-03-29 2002-03-21 S.S. Abalin Method of strontium-89 radioisotope production
US20030012325A1 (en) 1999-11-09 2003-01-16 Norbert Kernert Mixture containing rare earth and the use thereof
US20030016775A1 (en) 1994-04-12 2003-01-23 Jamriska David J. Production of high specific activity copper-67
US20030103896A1 (en) 2000-03-23 2003-06-05 Smith Suzanne V Methods of synthesis and use of radiolabelled platinum chemotherapeutic agents
US20030179844A1 (en) 2001-10-05 2003-09-25 Claudio Filippone High-density power source (HDPS) utilizing decay heat and method thereof
US6678344B2 (en) 2001-02-20 2004-01-13 Framatome Anp, Inc. Method and apparatus for producing radioisotopes
US20040091421A1 (en) 2001-02-22 2004-05-13 Roger Aston Devices and methods for the treatment of cancer
US20040105520A1 (en) 2002-07-08 2004-06-03 Carter Gary Shelton Method and apparatus for the ex-core production of nuclear isotopes in commercial PWRs
US6751280B2 (en) 2002-08-12 2004-06-15 Ut-Battelle, Llc Method of preparing high specific activity platinum-195m
US20040196943A1 (en) 2001-06-25 2004-10-07 Umberto Di Caprio Process and apparatus for the production of clean nuclear energy
US6895064B2 (en) 2000-07-11 2005-05-17 Commissariat A L'energie Atomique Spallation device for producing neutrons
US20050105666A1 (en) 2003-09-15 2005-05-19 Saed Mirzadeh Production of thorium-229
US6896716B1 (en) 2002-12-10 2005-05-24 Haselwood Enterprises, Inc. Process for producing ultra-pure plutonium-238
US20050118098A1 (en) 2001-12-12 2005-06-02 Vincent John S. Radioactive ion
US20060062342A1 (en) 2004-09-17 2006-03-23 Cyclotron Partners, L.P. Method and apparatus for the production of radioisotopes
US20060126774A1 (en) 2004-12-12 2006-06-15 Korea Atomic Energy Research Institute Internal circulating irradiation capsule for iodine-125 and method of producing iodine-125 using same
JP2006162612A (ja) * 2004-12-03 2006-06-22 General Electric Co <Ge> 同位元素生成方法
US7157061B2 (en) 2004-09-24 2007-01-02 Battelle Energy Alliance, Llc Process for radioisotope recovery and system for implementing same
US20070133734A1 (en) * 2004-12-03 2007-06-14 Fawcett Russell M Rod assembly for nuclear reactors
US7235216B2 (en) 2005-05-01 2007-06-26 Iba Molecular North America, Inc. Apparatus and method for producing radiopharmaceuticals
US20070297554A1 (en) 2004-09-28 2007-12-27 Efraim Lavie Method And System For Production Of Radioisotopes, And Radioisotopes Produced Thereby
US20080031811A1 (en) 2004-09-15 2008-02-07 Dong Wha Pharm. Ind. Co., Ltd. Method For Preparing Radioactive Film
US20080076957A1 (en) 2006-09-26 2008-03-27 Stuart Lee Adelman Method of producing europium-152 and uses therefor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2647945B1 (fr) * 1989-06-02 1991-08-30 Commissariat Energie Atomique Dispositif de production de radio-isotopes notamment de cobalt 60
EP1569243A1 (en) * 2004-02-20 2005-08-31 Ion Beam Applications S.A. Target device for producing a radioisotope
EP1666716A3 (en) * 2004-04-22 2009-01-21 Keihin Corporation Intake system for internal combustion engine

Patent Citations (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3594275A (en) * 1968-05-14 1971-07-20 Neutron Products Inc Method for the production of cobalt-60 sources and elongated hollow coiled wire target therefor
US3940318A (en) 1970-12-23 1976-02-24 Union Carbide Corporation Preparation of a primary target for the production of fission products in a nuclear reactor
US3998691A (en) 1971-09-29 1976-12-21 Japan Atomic Energy Research Institute Novel method of producing radioactive iodine
US4038137A (en) * 1973-09-26 1977-07-26 Exxon Nuclear Company, Inc. Locking means for fuel bundles
US4196047A (en) 1978-02-17 1980-04-01 The Babcock & Wilcox Company Irradiation surveillance specimen assembly
US4284472A (en) 1978-10-16 1981-08-18 General Electric Company Method for enhanced control of radioiodine in the production of fission product molybdenum 99
US4462956A (en) 1980-04-25 1984-07-31 Framatome Apparatus for partitioning off the core of a nuclear reactor with removable elements
US4493813A (en) 1981-09-30 1985-01-15 Commissariat A L'energie Atomique Neutron protection device
US4663111A (en) 1982-11-24 1987-05-05 Electric Power Research Institute, Inc. System for and method of producing and retaining tritium
US4475948A (en) 1983-04-26 1984-10-09 The United States Of America As Represented By The Department Of Energy Lithium aluminate/zirconium material useful in the production of tritium
US4532102A (en) 1983-06-01 1985-07-30 The United States Of America As Represented By The United States Department Of Energy Producing tritium in a homogenous reactor
US4597936A (en) 1983-10-12 1986-07-01 Ga Technologies Inc. Lithium-containing neutron target particle
US4782231A (en) 1984-05-18 1988-11-01 Ustav Jaderneho Vyzkumu Standard component 99m Tc elution generator and method
US4617985A (en) 1984-09-11 1986-10-21 United Kingdom Atomic Energy Authority Heat pipe stabilized specimen container
US4729903A (en) 1986-06-10 1988-03-08 Midi-Physics, Inc. Process for depositing I-125 onto a substrate used to manufacture I-125 sources
US4859431A (en) 1986-11-10 1989-08-22 The Curators Of The University Of Missouri Rhenium generator system and its preparation and use
US5053186A (en) 1989-10-02 1991-10-01 Neorx Corporation Soluble irradiation targets and methods for the production of radiorhenium
US5145636A (en) 1989-10-02 1992-09-08 Neorx Corporation Soluble irradiation targets and methods for the production of radiorhenium
US5355394A (en) 1990-02-23 1994-10-11 European Atomic Energy Community (Euratom) Method for producing actinium-225 and bismuth-213
US5400375A (en) 1990-08-03 1995-03-21 Kabushiki Kaisha Toshiba Transuranium elements transmuting fuel assembly
US5596611A (en) 1992-12-08 1997-01-21 The Babcock & Wilcox Company Medical isotope production reactor
US6160862A (en) 1993-10-01 2000-12-12 The United States Of America As Represented By The United States Department Of Energy Method for fabricating 99 Mo production targets using low enriched uranium, 99 Mo production targets comprising low enriched uranium
US5615238A (en) 1993-10-01 1997-03-25 The United States Of America As Represented By The United States Department Of Energy Method for fabricating 99 Mo production targets using low enriched uranium, 99 Mo production targets comprising low enriched uranium
US6056929A (en) 1993-10-04 2000-05-02 Mcmaster University Method and apparatus for production of radioactive iodine
US5867546A (en) 1993-10-04 1999-02-02 Hassal; Scott Bradley Method and apparatus for production of radioactive iodine
US5633900A (en) 1993-10-04 1997-05-27 Hassal; Scott B. Method and apparatus for production of radioactive iodine
US20030016775A1 (en) 1994-04-12 2003-01-23 Jamriska David J. Production of high specific activity copper-67
US5513226A (en) 1994-05-23 1996-04-30 General Atomics Destruction of plutonium
US5871708A (en) 1995-03-07 1999-02-16 Korea Atomic Energy Research Institute Radioactive patch/film and process for preparation thereof
US5758254A (en) 1996-03-05 1998-05-26 Japan Atomic Energy Research Institute Method of recovering radioactive beryllium
US5682409A (en) 1996-08-16 1997-10-28 General Electric Company Neutron fluence surveillance capsule holder modification for boiling water reactor
US5910971A (en) 1998-02-23 1999-06-08 Tci Incorporated Method and apparatus for the production and extraction of molybdenum-99
US6192095B1 (en) 1998-06-05 2001-02-20 Japan Atomic Energy Research Institute Xenon-133 radioactive stent for preventing restenosis of blood vessels and a process for producing the same
US6233299B1 (en) 1998-10-02 2001-05-15 Japan Nuclear Cycle Development Institute Assembly for transmutation of a long-lived radioactive material
US20030012325A1 (en) 1999-11-09 2003-01-16 Norbert Kernert Mixture containing rare earth and the use thereof
US20030103896A1 (en) 2000-03-23 2003-06-05 Smith Suzanne V Methods of synthesis and use of radiolabelled platinum chemotherapeutic agents
US6456680B1 (en) 2000-03-29 2002-09-24 Tci Incorporated Method of strontium-89 radioisotope production
US20020034275A1 (en) 2000-03-29 2002-03-21 S.S. Abalin Method of strontium-89 radioisotope production
US6895064B2 (en) 2000-07-11 2005-05-17 Commissariat A L'energie Atomique Spallation device for producing neutrons
US6678344B2 (en) 2001-02-20 2004-01-13 Framatome Anp, Inc. Method and apparatus for producing radioisotopes
US20040091421A1 (en) 2001-02-22 2004-05-13 Roger Aston Devices and methods for the treatment of cancer
US20040196943A1 (en) 2001-06-25 2004-10-07 Umberto Di Caprio Process and apparatus for the production of clean nuclear energy
US20030179844A1 (en) 2001-10-05 2003-09-25 Claudio Filippone High-density power source (HDPS) utilizing decay heat and method thereof
US20050118098A1 (en) 2001-12-12 2005-06-02 Vincent John S. Radioactive ion
US20040105520A1 (en) 2002-07-08 2004-06-03 Carter Gary Shelton Method and apparatus for the ex-core production of nuclear isotopes in commercial PWRs
US6751280B2 (en) 2002-08-12 2004-06-15 Ut-Battelle, Llc Method of preparing high specific activity platinum-195m
US20040196942A1 (en) 2002-08-12 2004-10-07 Saed Mirzadeh High specific activity platinum-195m
US6804319B1 (en) 2002-08-12 2004-10-12 Ut-Battelle, Llc High specific activity platinum-195m
US6896716B1 (en) 2002-12-10 2005-05-24 Haselwood Enterprises, Inc. Process for producing ultra-pure plutonium-238
US20050105666A1 (en) 2003-09-15 2005-05-19 Saed Mirzadeh Production of thorium-229
US20080031811A1 (en) 2004-09-15 2008-02-07 Dong Wha Pharm. Ind. Co., Ltd. Method For Preparing Radioactive Film
US20060062342A1 (en) 2004-09-17 2006-03-23 Cyclotron Partners, L.P. Method and apparatus for the production of radioisotopes
US7157061B2 (en) 2004-09-24 2007-01-02 Battelle Energy Alliance, Llc Process for radioisotope recovery and system for implementing same
US20070297554A1 (en) 2004-09-28 2007-12-27 Efraim Lavie Method And System For Production Of Radioisotopes, And Radioisotopes Produced Thereby
JP2006162612A (ja) * 2004-12-03 2006-06-22 General Electric Co <Ge> 同位元素生成方法
US20070133734A1 (en) * 2004-12-03 2007-06-14 Fawcett Russell M Rod assembly for nuclear reactors
US20070133731A1 (en) * 2004-12-03 2007-06-14 Fawcett Russell M Method of producing isotopes in power nuclear reactors
US20060126774A1 (en) 2004-12-12 2006-06-15 Korea Atomic Energy Research Institute Internal circulating irradiation capsule for iodine-125 and method of producing iodine-125 using same
US7235216B2 (en) 2005-05-01 2007-06-26 Iba Molecular North America, Inc. Apparatus and method for producing radiopharmaceuticals
US20080076957A1 (en) 2006-09-26 2008-03-27 Stuart Lee Adelman Method of producing europium-152 and uses therefor

Also Published As

Publication number Publication date
EP2107573A2 (en) 2009-10-07
US20100284503A1 (en) 2010-11-11
US20110206175A1 (en) 2011-08-25
ES2451504T3 (es) 2014-03-27
RU2009112217A (ru) 2010-10-10
CA2661939A1 (en) 2009-10-03
US8576972B2 (en) 2013-11-05
JP5421638B2 (ja) 2014-02-19
EP2107573B1 (en) 2014-01-15
CN101552045B (zh) 2014-08-06
RU2481655C2 (ru) 2013-05-10
TW200945368A (en) 2009-11-01
EP2107573A3 (en) 2011-08-17
CN101552045A (zh) 2009-10-07
JP2009250978A (ja) 2009-10-29

Similar Documents

Publication Publication Date Title
US8576972B2 (en) Radioisotope production structures, fuel assemblies having the same, and methods of using the same
EP2073214B1 (en) Fuel Rods Having Irradiation Target End Pieces
JP2012514197A (ja) 軽水炉核燃料集合体（代替物）、軽水炉、及び核燃料集合体の燃料要素
US9202598B2 (en) Fail-free fuel bundle assembly
US20130272479A1 (en) Lower end fitting for nuclear fuel assembly made from intersecting metal strips
US8565367B2 (en) Detachable nuclear reactor fuel assembly component
US20100020916A1 (en) Nuclear reactor fuel assembly grid
KR100969934B1 (ko) 원거리에서 핵연료집합체 상단의 해체 및 조립의 편의성을증대시킨 상단고정체구조
KR101640942B1 (ko) 원자로용 핵연료 집합체
JPH0631750B2 (ja) 燃料集合体の上部ノズル取付構造
KR100906401B1 (ko) 내부삽입관 회전 방지 장치가 설치된 해체 조립이 용이한상단고정체와 안내관의 체결구조
US4657733A (en) Fuel assembly for a nuclear reactor
KR101851184B1 (ko) 향상된 이물질 여과성능을 제공하는 핵연료집합체용 하단고정체
KR101149550B1 (ko) 핵연료 집합체용 상단고정체
EP2750136A2 (en) Fuel assembly
JP2009270871A (ja) 核燃料集合体

Legal Events

Date Code Title Description
REMI Maintenance fee reminder mailed
LAPS Lapse for failure to pay maintenance fees
STCH Information on status: patent discontinuation

Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362

FP Expired due to failure to pay maintenance fee

Effective date: 20150628